From: Dario Faggioli <dario.faggioli@citrix.com>
To: xen-devel@lists.xenproject.org
Cc: Wei Liu <wei.liu2@citrix.com>,
Anshul Makkar <anshul.makkar@citrix.com>,
Ian Jackson <ian.jackson@eu.citrix.com>,
George Dunlap <george.dunlap@citrix.com>
Subject: [PATCH 11/19] tools: tracing: adapt Credit2 load tracking events to new format
Date: Sat, 18 Jun 2016 01:12:36 +0200 [thread overview]
Message-ID: <146620515674.29766.14348018029281182306.stgit@Solace.fritz.box> (raw)
In-Reply-To: <146620492155.29766.10321123657058307698.stgit@Solace.fritz.box>
in both xenalyze and formats (for xentrace_format).
In particular, in xenalyze, now that we have the precision
of the fixed point load values in the tracepoint, show both
the raw value and the (easier to interpreet) percentage.
Signed-off-by: Dario Faggioli <dario.faggioli@citrix.com>
---
Cc: George Dunlap <george.dunlap@citrix.com>
Cc: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>
Cc: Anshul Makkar <anshul.makkar@citrix.com>
---
tools/xentrace/formats | 4 ++--
tools/xentrace/xenalyze.c | 25 ++++++++++++++++++-------
2 files changed, 20 insertions(+), 9 deletions(-)
diff --git a/tools/xentrace/formats b/tools/xentrace/formats
index d204351..2e58d03 100644
--- a/tools/xentrace/formats
+++ b/tools/xentrace/formats
@@ -53,8 +53,8 @@
0x00022208 CPU%(cpu)d %(tsc)d (+%(reltsc)8d) csched2:sched_tasklet
0x00022209 CPU%(cpu)d %(tsc)d (+%(reltsc)8d) csched2:update_load
0x0002220a CPU%(cpu)d %(tsc)d (+%(reltsc)8d) csched2:runq_assign [ dom:vcpu = 0x%(1)08x, rq_id = %(2)d ]
-0x0002220b CPU%(cpu)d %(tsc)d (+%(reltsc)8d) csched2:updt_vcpu_load [ dom:vcpu = 0x%(1)08x, avgload = %(2)d ]
-0x0002220c CPU%(cpu)d %(tsc)d (+%(reltsc)8d) csched2:updt_runq_load [ rq_load[4]:rq_avgload[28] = 0x%(1)08x, rq_id[4]:b_avgload[28] = 0x%(2)08x ]
+0x0002220b CPU%(cpu)d %(tsc)d (+%(reltsc)8d) csched2:updt_vcpu_load [ dom:vcpu = 0x%(3)08x, vcpuload = 0x%(2)08x%(1)08x, wshift = %(4)d ]
+0x0002220c CPU%(cpu)d %(tsc)d (+%(reltsc)8d) csched2:updt_runq_load [ rq_load[16]:rq_id[8]:wshift[8] = 0x%(5)08x, rq_avgload = 0x%(2)08x%(1)08x, b_avgload = 0x%(4)08x%(3)08x ]
0x00022801 CPU%(cpu)d %(tsc)d (+%(reltsc)8d) rtds:tickle [ cpu = %(1)d ]
0x00022802 CPU%(cpu)d %(tsc)d (+%(reltsc)8d) rtds:runq_pick [ dom:vcpu = 0x%(1)08x, cur_deadline = 0x%(3)08x%(2)08x, cur_budget = 0x%(5)08x%(4)08x ]
diff --git a/tools/xentrace/xenalyze.c b/tools/xentrace/xenalyze.c
index 01ead8b..f2f97bd 100644
--- a/tools/xentrace/xenalyze.c
+++ b/tools/xentrace/xenalyze.c
@@ -7802,25 +7802,36 @@ void sched_process(struct pcpu_info *p)
case TRC_SCHED_CLASS_EVT(CSCHED2, 11): /* UPDATE_VCPU_LOAD */
if(opt.dump_all) {
struct {
+ uint64_t vcpuload;
unsigned int vcpuid:16, domid:16;
- unsigned int avgload;
+ unsigned int shift;
} *r = (typeof(r))ri->d;
+ double vcpuload;
- printf(" %s csched2:update_vcpu_load d%uv%u, avg_load = %u\n",
- ri->dump_header, r->domid, r->vcpuid, r->avgload);
+ vcpuload = (r->vcpuload * 100.0) / (1ULL << r->shift);
+
+ printf(" %s csched2:update_vcpu_load d%uv%u, "
+ "vcpu_load = %4.3f%% (%"PRIu64")\n",
+ ri->dump_header, r->domid, r->vcpuid, vcpuload,
+ r->vcpuload);
}
break;
case TRC_SCHED_CLASS_EVT(CSCHED2, 12): /* UPDATE_RUNQ_LOAD */
if(opt.dump_all) {
struct {
- unsigned int rq_load:4, rq_avgload:28;
- unsigned int rq_id:4, b_avgload:28;
+ uint64_t rq_avgload, b_avgload;
+ unsigned int rq_load:16, rq_id:8, shift:8;
} *r = (typeof(r))ri->d;
+ double avgload, b_avgload;
+
+ avgload = (r->rq_avgload * 100.0) / (1ULL << r->shift);
+ b_avgload = (r->b_avgload * 100.0) / (1ULL << r->shift);
printf(" %s csched2:update_rq_load rq# %u, load = %u, "
- "avgload = %u, b_avgload = %u\n",
+ "avgload = %4.3f%% (%"PRIu64"), "
+ "b_avgload = %4.3f%% (%"PRIu64")\n",
ri->dump_header, r->rq_id, r->rq_load,
- r->rq_avgload, r->b_avgload);
+ avgload, r->rq_avgload, b_avgload, r->b_avgload);
}
break;
/* RTDS (TRC_RTDS_xxx) */
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next prev parent reply other threads:[~2016-06-17 23:12 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-17 23:11 [PATCH 00/19] xen: sched: assorted fixes and improvements to Credit2 Dario Faggioli
2016-06-17 23:11 ` [PATCH 01/19] xen: sched: leave CPUs doing tasklet work alone Dario Faggioli
2016-06-20 7:48 ` Jan Beulich
2016-07-07 10:11 ` Dario Faggioli
2016-06-21 16:17 ` anshul makkar
2016-07-06 15:41 ` George Dunlap
2016-07-07 10:25 ` Dario Faggioli
2016-06-17 23:11 ` [PATCH 02/19] xen: sched: make the 'tickled' perf counter clearer Dario Faggioli
2016-06-18 0:36 ` Meng Xu
2016-07-06 15:52 ` George Dunlap
2016-06-17 23:11 ` [PATCH 03/19] xen: credit2: insert and tickle don't need a cpu parameter Dario Faggioli
2016-06-21 16:41 ` anshul makkar
2016-07-06 15:59 ` George Dunlap
2016-06-17 23:11 ` [PATCH 04/19] xen: credit2: kill useless helper function choose_cpu Dario Faggioli
2016-07-06 16:02 ` George Dunlap
2016-07-07 10:26 ` Dario Faggioli
2016-06-17 23:11 ` [PATCH 05/19] xen: credit2: do not warn if calling burn_credits more than once Dario Faggioli
2016-07-06 16:05 ` George Dunlap
2016-06-17 23:12 ` [PATCH 06/19] xen: credit2: read NOW() with the proper runq lock held Dario Faggioli
2016-06-20 7:56 ` Jan Beulich
2016-07-06 16:10 ` George Dunlap
2016-07-07 10:28 ` Dario Faggioli
2016-06-17 23:12 ` [PATCH 07/19] xen: credit2: prevent load balancing to go mad if time goes backwards Dario Faggioli
2016-06-20 8:02 ` Jan Beulich
2016-07-06 16:21 ` George Dunlap
2016-07-07 7:29 ` Jan Beulich
2016-07-07 9:09 ` George Dunlap
2016-07-07 9:18 ` Jan Beulich
2016-07-07 10:53 ` Dario Faggioli
2016-06-17 23:12 ` [PATCH 08/19] xen: credit2: when tickling, check idle cpus first Dario Faggioli
2016-07-06 16:36 ` George Dunlap
2016-06-17 23:12 ` [PATCH 09/19] xen: credit2: avoid calling __update_svc_load() multiple times on the same vcpu Dario Faggioli
2016-07-06 16:40 ` George Dunlap
2016-06-17 23:12 ` [PATCH 10/19] xen: credit2: rework load tracking logic Dario Faggioli
2016-07-06 17:33 ` George Dunlap
2016-06-17 23:12 ` Dario Faggioli [this message]
2016-06-21 9:27 ` [PATCH 11/19] tools: tracing: adapt Credit2 load tracking events to new format Wei Liu
2016-06-17 23:12 ` [PATCH 12/19] xen: credit2: use non-atomic cpumask and bit operations Dario Faggioli
2016-07-07 9:45 ` George Dunlap
2016-06-17 23:12 ` [PATCH 13/19] xen: credit2: make the code less experimental Dario Faggioli
2016-06-20 8:13 ` Jan Beulich
2016-07-07 10:59 ` Dario Faggioli
2016-07-07 15:17 ` George Dunlap
2016-07-07 16:43 ` Dario Faggioli
2016-06-17 23:12 ` [PATCH 14/19] xen: credit2: add yet some more tracing Dario Faggioli
2016-06-20 8:15 ` Jan Beulich
2016-07-07 15:34 ` George Dunlap
2016-07-07 15:34 ` George Dunlap
2016-06-17 23:13 ` [PATCH 15/19] xen: credit2: only marshall trace point arguments if tracing enabled Dario Faggioli
2016-07-07 15:37 ` George Dunlap
2016-06-17 23:13 ` [PATCH 16/19] tools: tracing: deal with new Credit2 events Dario Faggioli
2016-07-07 15:39 ` George Dunlap
2016-06-17 23:13 ` [PATCH 17/19] xen: credit2: the private scheduler lock can be an rwlock Dario Faggioli
2016-07-07 16:00 ` George Dunlap
2016-06-17 23:13 ` [PATCH 18/19] xen: credit2: implement SMT support independent runq arrangement Dario Faggioli
2016-06-20 8:26 ` Jan Beulich
2016-06-20 10:38 ` Dario Faggioli
2016-06-27 15:20 ` anshul makkar
2016-07-12 13:40 ` George Dunlap
2016-06-17 23:13 ` [PATCH 19/19] xen: credit2: use cpumask_first instead of cpumask_any when choosing cpu Dario Faggioli
2016-06-20 8:30 ` Jan Beulich
2016-06-20 11:28 ` Dario Faggioli
2016-06-21 10:42 ` David Vrabel
2016-07-07 16:55 ` Dario Faggioli
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